- 15 -
IV. Operation Preparation
1. Lubrication
! Warning
Please turn off the power switch and confirm that the motor has stopped before operation to
prevent personal injuries caused by unexpected start.
1) Lubricating oil to oiling tank
♦
Fill the oiling tank with New Defrix Oil No.1 up to the level indicated by MAX
①
.
2) Adjust the lubrication for the sewing hook
♦
The amount of oil is adjusted with oil amount adjusting screw
②
.
♦
Amount of supplied oil is reduced when turning the screw
②
clockwise.
♦
For newly-installed sewing machine or sewing machine out of service for a long time, please remove
the bobbin case and drip 2-3 droplets of oil on the side slots of the cover. In addition, drip several
droplets of oil into the oiling hole in the metal parts
③
in front of the lower shaft, and make the oil
infiltrate into the felt inside the hole.
2. Attaching the needle
! Warning
Please turn off the power switch and confirm that the motor has stopped before operation to
prevent personal injuries caused by unexpected start.
Hold needle with its recessed part facing toward the operator side A.
Then deeply insert the needle into the needle bar hole and tighten the
needle setscrew
①
.
Use a DPX5-(#11J, #141) needle.
Turn off the power switch before attaching the needle.
Lubricant amount
adjustment diagram
Lubricant
supply tube
Less
Lubricant amount
More
Содержание GT1790A
Страница 1: ...GT1790A COMPUTER CONTROLLED HIGH SPEED LOCKSTITCH BUTTONHOLING MACHINE INSTRUCTION BOOK...
Страница 5: ...2 2 List of standard sewing shapes...
Страница 6: ...3 3 Structure...
Страница 15: ...12...
Страница 21: ...18...
Страница 23: ...20 V Operation of the Sewing Machine 1 Description operation panel switch...
Страница 35: ...32 Direction A Decrease Direction B Increase...